Finding the Fourth Proportional to 1,457,142.72, 2,012,425.29 and 1,109,267.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457,142.72 : 2,012,425.29 = 1,109,267.52 : x
2. Step 2: Convert to fraction form
   1,457,142.72/2,012,425.29 = 1,109,267.52/x
3. Step 3: Cross multiply
   1,457,142.72x = 2,012,425.29 × 1,109,267.52
4. Step 4: Simplify right side
   1,457,142.72x = 2,232,318,010,623.58
5. Step 5: Solve for x
   x = 2,232,318,010,623.58/1,457,142.72
6. Step 6: Final answer
   x = 1,531,983.09